Dataset Information

The genome sequence of the clay, Mythimna ferrago (Fabricius, 1787).

ABSTRACT: We present a genome assembly from an individual female Mythimna ferrago (the clay; Arthropoda; Insecta; Lepidoptera; Noctuidae). The genome sequence is 861 megabases in span. The majority of the assembly (99.98%) is scaffolded into 32 chromosomal pseudomolecules, with the W and Z chromosomes assembled. The complete mitochondrial genome was also assembled and is 15.3 kilobases in length. Gene annotation of this assembly on Ensembl has identified 14,075 protein coding genes.

SUBMITTER: Boyes D

PROVIDER: S-EPMC9382153 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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The genome sequence of the clay, <i>Mythimna ferrago</i> (Fabricius, 1787).

Boyes Douglas D Gibbs Melanie M

Wellcome open research 20220704

We present a genome assembly from an individual female <i>Mythimna ferrago</i> (the clay; Arthropoda; Insecta; Lepidoptera; Noctuidae). The genome sequence is 861 megabases in span. The majority of the assembly (99.98%) is scaffolded into 32 chromosomal pseudomolecules, with the W and Z chromosomes assembled. The complete mitochondrial genome was also assembled and is 15.3 kilobases in length. Gene annotation of this assembly on Ensembl has identified 14,075 protein coding genes. ...[more]

PMID: 36051895

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Project description:BACKGROUND: Amblyomma cajennense F. is one of the best known and studied ticks in the New World because of its very wide distribution, its economical importance as pest of domestic ungulates, and its association with a variety of animal and human pathogens. Recent observations, however, have challenged the taxonomic status of this tick and indicated that intraspecific cryptic speciation might be occurring. In the present study, we investigate the evolutionary and demographic history of this tick and examine its genetic structure based on the analyses of three mitochondrial (12SrDNA, d-loop, and COII) and one nuclear (ITS2) genes. Because A. cajennense is characterized by a typical trans-Amazonian distribution, lineage divergence dating is also performed to establish whether genetic diversity can be linked to dated vicariant events which shaped the topology of the Neotropics. RESULTS: Total evidence analyses of the concatenated mtDNA and nuclear + mtDNA datasets resulted in well-resolved and fully congruent reconstructions of the relationships within A. cajennense. The phylogenetic analyses consistently found A. cajennense to be monophyletic and to be separated into six genetic units defined by mutually exclusive haplotype compositions and habitat associations. Also, genetic divergence values showed that these lineages are as distinct from each other as recognized separate species of the same genus. The six clades are deeply split and node dating indicates that they started diverging in the middle-late Miocene. CONCLUSIONS: Behavioral differences and the results of laboratory cross-breeding experiments had already indicated that A. cajennense might be a complex of distinct taxonomic units. The combined and congruent mitochondrial and nuclear genetic evidence from this study reveals that A. cajennense is an assembly of six distinct species which have evolved separately from each other since at least 13.2 million years ago (Mya) in the earliest and 3.3 Mya in the latest lineages. The temporal and spatial diversification modes of the six lineages overlap the phylogeographical history of other organisms with similar extant trans-Amazonian distributions and are consistent with the present prevailing hypothesis that Neotropical diversity often finds its origins in the Miocene, after the Andean uplift changed the topology and consequently the climate and ecology of the Neotropics.

Dataset Information

The genome sequence of the clay, Mythimna ferrago (Fabricius, 1787).

Publications

The genome sequence of the clay, <i>Mythimna ferrago</i> (Fabricius, 1787).

Similar Datasets

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